Monogamous

Monogamous animals partner up with a single mate, sometimes for the duration of a breeding season and less commonly over multiple seasons and years. Monogamy has particular advantages, and is often the chosen strategy where young are more vulnerable and require both parents for protection and feeding. In serial monogamy, having different partners each season helps maintain genetic diversity.

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Animals with this behaviour

Mammals

Birds

Reptiles

BBC News about Monogamous